[ 1017.807921][T12585] netdevsim netdevsim669 eni669np1: renamed from eth1
[ 1017.927062][T12584] netdevsim netdevsim298 eni298np1: renamed from eth0
[ 1019.767933][T12730] Could not find device with ifindex 2000 in netnsfd 11
[ 1019.768906][T12730] Could not find netns with fd: 2000
[ 1019.769596][T12730] Cannot link a netdevsim to itself
[ 1019.770471][T12730] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).